function expandMenu(listName) {
	var control=document.getElementById(listName);
	var listElements=control.getElementsByTagName("li");
	
	for(var i=0; i<listElements.length; i++) 
	{
		//EXPAND MENU
		listElements[i].onmouseover=function() 
		{
			var uls=this.getElementsByTagName("ul");
			for(var n=0; n<uls.length; n++) 
			{
				if(n==0) 
				{
					uls[n].style.display="block";
				}	
			}
		}
		//CLOSE MENU	
		listElements[i].onmouseout=function() 
		{
			var uls=this.getElementsByTagName("ul");
				
			for(var n=0; n<uls.length; n++) 
			{
				if(n==0) 
				{
					uls[n].style.display="none";
				}	
			}
		}
	}
}